app/browse/protobuf.py

   1 import base64
   2 from dataclasses import dataclass
   3 from typing import Optional
   4
   5 from pure_protobuf.dataclasses_ import field, message
   6 from pure_protobuf.types import int64
   7
   8 def b64e(b, padding=True):
   9     return base64.urlsafe_b64encode(b).decode('ascii') \
  10             .replace("=", "%3D" if padding else "")
  11
  12 # SEARCH {{{
  13 @message
  14 @dataclass
  15 class Extras:
  16     dont_fix_spelling: Optional[bool] = field(1, default=None)
  17 @message
  18 @dataclass
  19 class Filters: # adapted from invidious
  20     date:      Optional[int64] = field(1, default=None)
  21     type:      Optional[int64] = field(2, default=None)
  22     length:    Optional[int64] = field(3, default=None)
  23     is_hd:     Optional[bool]  = field(4, default=None)
  24     subtitles: Optional[bool]  = field(5, default=None)
  25     ccommons:  Optional[bool]  = field(6, default=None)
  26     is_3d:     Optional[bool]  = field(7, default=None)
  27     live:      Optional[bool]  = field(8, default=None)
  28     purchased: Optional[bool]  = field(9, default=None)
  29     is_4k:     Optional[bool]  = field(14, default=None)
  30     is_360:    Optional[bool]  = field(15, default=None)
  31     location:  Optional[bool]  = field(23, default=None)
  32     is_hdr:    Optional[bool]  = field(25, default=None)
  33 @message
  34 @dataclass
  35 class SearchRequest:
  36     sorted: Optional[int64] = field(1, default=None)
  37     filter: Optional[Filters] = field(2, default=None)
  38     extras: Optional[Extras] = field(8, default=None)
  39     offset: Optional[int64] = field(9, default=0)
  40
  41 def make_sp(page=1, sort=None, date=None, type=None, len=None, features=[], extras=[]):
  42     sortorder  = dict(relevance=0, rating=1, date=2, views=3)
  43     datefilter = dict(hour=1, day=2, week=3, month=4, year=5)
  44     typefilter = dict(video=1, channel=2, playlist=3, movie=4, show=5)
  45     lenfilter  = dict(short=1, long=2)
  46
  47     return b64e(SearchRequest(
  48         sorted=sortorder.get(sort),
  49         filter=Filters(
  50             date=datefilter.get(date),
  51             type=typefilter.get(type),
  52             length=lenfilter.get(len),
  53             **{f:True for f in features},
  54         ) if date or type or len or features else None,
  55         extras=Extras(**{f:True for f in extras}),
  56         offset=(int(page)-1)*20,
  57     ).dumps())
  58 # }}} SEARCH
  59
  60 # CHANNEL v1/v3 {{{
  61 @message
  62 @dataclass
  63 class ChannelDataInner:
  64     offset: int64 = field(1)
  65 @message
  66 @dataclass
  67 class ChannelDataContainer:
  68     data: str = field(1)  # base64 of ChannelDataInner
  69 @message
  70 @dataclass
  71 class Subparams:
  72     type_s: str = field(2)
  73     type_i: Optional[int64] = field(4)
  74     page: Optional[str] = field(15)
  75     sort: Optional[int64] = field(3, default=None)
  76     unknown_const1: int64 = field(7, default=1)
  77     unknown_const2: int64 = field(23, default=0)
  78     # usually returns gridResponses. to switch to listResponses (cargo-culting
  79     # invidious, playlist continuations (not yet supported) require list):
  80     list_or_grid: Optional[int64] = field(6,default=2) # 2=list, None/1=grid
  81     # invidious sets those, but no idea why:
  82     #field12:int64 = field(12,default=1)
  83     #field13:str = field(13,default="") # playlists in list mode don't work without this
  84     field61: Optional[str] = field(61, default=None) # base64 channelData
  85 @message
  86 @dataclass
  87 class Params:
  88     subject: str = field(2) # ucid/plid
  89     params: str = field(3)  # b64e encoded
  90     query: Optional[str] = field(11, default=None) # channel search
  91 @message
  92 @dataclass
  93 class Continuation:
  94     params: Params = field(80226972)
  95 def make_channel_params(subject, typ="videos", page=1, sort=None, query=None, v3=False):
  96     typestr = dict(videos="videos", playlists="playlists", search="search")
  97     typeint = dict(videos=0, playlists=1, search=None) # not supporting autogen'd
  98     sortorder = dict(popular=1, oldest=2, newest=3)
  99     if typ == "playlists":
 100         sortorder = dict(oldest=2, newest=3, modified=4)
 101     elif typ == "search":
 102         sortorder = dict()
 103
 104     return b64e(Continuation(
 105         params=Params(
 106             subject=subject,
 107             params=b64e(Subparams(
 108                 type_s=typestr.get(typ),
 109                 type_i=typeint.get(typ),
 110                 sort=sortorder.get(sort),
 111                 page=str(page) if not v3 and page else None,
 112                 field61=b64e(
 113                     ChannelDataContainer(
 114                         data=b64e(
 115                             ChannelDataInner(
 116                                 offset=(page-1)*30
 117                             ).dumps(), padding=False
 118                         )
 119                     ).dumps(), padding=False
 120                 ) if v3 else None
 121             ).dumps()),
 122             query=query,
 123         ),
 124     ).dumps())
 125 # }}} CHANNEL v1/v3
 126
 127 # PLAYLIST {{{
 128 @message
 129 @dataclass
 130 class PlaylistData:
 131     offset: int64 = field(1)
 132 @message
 133 @dataclass
 134 class PlaylistSubparams:
 135     data: str = field(15)
 136 def make_playlist_params(playlist_id, offset):
 137     if playlist_id.startswith("UC"):
 138         playlist_id = f"UU{playlist_id[2:]}" # "Uploads from <username>"
 139
 140     return b64e(Continuation(
 141         params=Params(
 142             subject="VL" + playlist_id,
 143             params=b64e(PlaylistSubparams(
 144                 data="PT:" + b64e(PlaylistData(
 145                     offset=offset,
 146                 ).dumps(), padding=False)
 147             ).dumps()),
 148         ),
 149     ).dumps())
 150 # }}} PLAYLIST